cmd-detach-client.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20
  21 #include <string.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Detach a client.
  27  */
  28
  29 static enum cmd_retval  cmd_detach_client_exec(struct cmd *,
  30                             struct cmdq_item *);
  31
  32 const struct cmd_entry cmd_detach_client_entry = {
  33         .name = "detach-client",
  34         .alias = "detach",
  35
  36         .args = { "aE:s:t:P", 0, 0, NULL },
  37         .usage = "[-aP] [-E shell-command] "
  38                  "[-s target-session] " CMD_TARGET_CLIENT_USAGE,
  39
  40         .source = { 's', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
  41
  42         .flags = CMD_READONLY|CMD_CLIENT_TFLAG,
  43         .exec = cmd_detach_client_exec
  44 };
  45
  46 const struct cmd_entry cmd_suspend_client_entry = {
  47         .name = "suspend-client",
  48         .alias = "suspendc",
  49
  50         .args = { "t:", 0, 0, NULL },
  51         .usage = CMD_TARGET_CLIENT_USAGE,
  52
  53         .flags = CMD_CLIENT_TFLAG,
  54         .exec = cmd_detach_client_exec
  55 };
  56
  57 static enum cmd_retval
  58 cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
  59 {
  60         struct args             *args = cmd_get_args(self);
  61         struct cmd_find_state   *source = cmdq_get_source(item);
  62         struct client           *tc = cmdq_get_target_client(item), *loop;
  63         struct session          *s;
  64         enum msgtype             msgtype;
  65         const char              *cmd = args_get(args, 'E');
  66
  67         if (cmd_get_entry(self) == &cmd_suspend_client_entry) {
  68                 server_client_suspend(tc);
  69                 return (CMD_RETURN_NORMAL);
  70         }
  71
  72         if (args_has(args, 'P'))
  73                 msgtype = MSG_DETACHKILL;
  74         else
  75                 msgtype = MSG_DETACH;
  76
  77         if (args_has(args, 's')) {
  78                 s = source->s;
  79                 if (s == NULL)
  80                         return (CMD_RETURN_NORMAL);
  81                 TAILQ_FOREACH(loop, &clients, entry) {
  82                         if (loop->session == s) {
  83                                 if (cmd != NULL)
  84                                         server_client_exec(loop, cmd);
  85                                 else
  86                                         server_client_detach(loop, msgtype);
  87                         }
  88                 }
  89                 return (CMD_RETURN_STOP);
  90         }
  91
  92         if (args_has(args, 'a')) {
  93                 TAILQ_FOREACH(loop, &clients, entry) {
  94                         if (loop->session != NULL && loop != tc) {
  95                                 if (cmd != NULL)
  96                                         server_client_exec(loop, cmd);
  97                                 else
  98                                         server_client_detach(loop, msgtype);
  99                         }
 100                 }
 101                 return (CMD_RETURN_NORMAL);
 102         }
 103
 104         if (cmd != NULL)
 105                 server_client_exec(tc, cmd);
 106         else
 107                 server_client_detach(tc, msgtype);
 108         return (CMD_RETURN_STOP);
 109 }